问题描述
我正在尝试创建带有页眉和页脚记录以及json有效内容作为主体的文件。 页眉和页脚属性值将基于时间戳和记录总数而动态变化 (目前,我正计划使用属性的静态值来实现)。 我正在使用FixedLengthDataFormat实现此目的。 但是,页眉和页脚记录未添加到文件中,该文件仅具有json有效内容作为主体。 有人可以帮助我实现这一目标吗?
我已经复制了下面的所有课程文件。
@Component
public class EmployeePackageRoute extends RouteBuilder {
@Autowired
private Header header;
private Trailer footer;
@SuppressWarnings("deprecation")
@Override
public final void configure() {
System.out.println("fetching employee details from employee api");
try {
from("jetty://http://localhost:8084/employee-package/getEmployee")
.unmarshal().json(JsonLibrary.Jackson,RecurringPaymentResults.class)
.process(
ex -> {
System.out.println("+++++++++++++++++ "+ex.getIn().getBody());
RecurringPaymentResults result = ex.getIn().getBody(RecurringPaymentResults.class);
List<RecurringPaymentsDeduct> employee = result.getResults();
ex.getOut().setBody(employee);
System.out.println("**** Header ** "+header);
})
.to("seda:employeeFeed");
final DataFormat bindy = new BindyFixedLengthDataFormat(RecurringPaymentsDeduct.class);
footer = new Trailer("TRAILER",3);
Map<String,Object> headerObjMap = new HashMap<String,Object>();
headerObjMap.put(Header.class.getName(),header);
Map<String,Object> footerObjMap = new HashMap<String,Object>();
footerObjMap.put(Trailer.class.getName(),footer);
from("seda:employeeFeed")
.log("process csv")
.marshal(bindy)
.log("csv processed")
.process(
ex -> {
System.out.println("******************** "+ex.getIn().getBody());
//ex.getOut().setHeader("header",header);
ex.getOut().setHeader(BindyFixedLengthDataFormat.CAMEL_BINDY_FIXED_LENGTH_HEADER,headerObjMap);
ex.getOut().setBody(ex.getIn().getBody());
ex.getOut().setHeader(BindyFixedLengthDataFormat.CAMEL_BINDY_FIXED_LENGTH_FOOTER,footerObjMap);
}).to("file://C:\Users\testfolder?fileName=test.txt")
.end();
} catch(Exception e) {
System.out.println("Error occurred while processing employee data: "+e.getMessage());
e.printStackTrace();
}
}
}
@Data
@Section(number = 2)
@FixedLengthRecord(header = Header.class,footer = Trailer.class)
public class RecurringPaymentsDeduct implements Serializable {
private static final long serialVersionUID = 1L;
@DataField(pos = 1,length = 10)
public String RECTY;
@DataField(pos = 2,length = 10)
public String CLIID;
@DataField(pos = 3,length = 10)
public String INTCA;
@DataField(pos = 4,length = 10)
public String ORDNO;
@DataField(pos = 5,length = 10)
public String IOPER;
@DataField(pos = 6,length = 10)
public String INFTY;
@DataField(pos = 7,length = 10)
public String SUBTY;
@DataField(pos = 8,length = 10)
public String BEGDA;
@DataField(pos = 9,length = 10)
public String ENDDA;
@DataField(pos = 10,length = 10)
public String OBJPS;
}
@Configuration
@EnableConfigurationProperties
@ConfigurationProperties("test")
@Data
@Section(number = 1)
@FixedLengthRecord()
public class Header implements Serializable {
private static final long serialVersionUID = 1L;
@DataField(pos = 1,length = 5)
private String header1;
@DataField(pos = 2,length = 5)
private String header2;
@DataField(pos = 3,length = 15)
private String header3;
@DataField(pos = 4,length = 60)
private String header4;
@DataField(pos = 5,length = 15)
private String header5;
@DataField(pos = 6,length = 30)
private String header6;
@DataField(pos = 7,length = 30)
private String header7;
@DataField(pos = 8,length = 8,pattern = "YYYYMMDD")
private String header8;
@DataField(pos = 9,length = 6)
private String header9;
@DataField(pos = 10,length = 1)
private String header10;
@DataField(pos = 11,length = 2)
private String header11;
@DataField(pos = 12,length = 10)
private String header12;
@DataField(pos = 13,length = 10)
private String header13;
@DataField(pos = 14,length = 10)
private String header14;
}
@Section(number = 3)
@FixedLengthRecord
public class Trailer implements Serializable {
private static final long serialVersionUID = 1L;
@DataField(pos = 1,length = 7)
private String trailer;
@DataField(pos = 2,length = 2)
private int count;
public String getTrailer() {
return trailer;
}
public void setTrailer(String trailer) {
this.trailer = trailer;
}
public int getCount() {
return count;
}
public void setCount(int count) {
this.count = count;
}
}
解决方法
我找到了答案。 该解决方案解决了我在各个阶段遇到的许多问题。
问题1)使用BindyFixedLengthDataFormat将动态页眉和页脚添加到平面文件中。顾名思义,它是固定长度。生成主体后,我必须分配最大长度并修剪空白。 (我仍然可能需要使用其他类或方法来修剪空白)。
问题2)我需要用|“替换管道定界符。
问题3)我使用了rest配置,以便不再使用硬编码来主机名,并且可以将其部署到任何环境,而不是使用jetty公开将进行硬编码的端点url。
@Component
public class EmployeePackageRoute extends RouteBuilder {
@Autowired
private Header header;
private Trailer footer;
private String file_name;
@SuppressWarnings("deprecation")
@Override
public final void configure() {
System.out.println("fetching employee details from employee api");
final SimpleDateFormat TARGET_DATE_FORMAT = new SimpleDateFormat("YYYYMMDDHHMMSS");
String date = TARGET_DATE_FORMAT.format(new Date());
String year = date.substring(0,8);
String hr = date.substring(9,13);
try {
restConfiguration().component("jetty").port(8000).bindingMode(RestBindingMode.json);
rest("/api/test/getTestResponse")
.get().consumes(MediaType.APPLICATION_JSON_VALUE).route().setBody().constant("return test response");
rest("/api/bcr/recurringPaymentsDeduct")
.post().consumes(MediaType.APPLICATION_JSON_VALUE).type(RecurringPaymentResults.class).outType(ResponseEntity.class).route()
.process(
ex -> {
RecurringPaymentResults result = ex.getIn().getBody(RecurringPaymentResults.class);
List<RecurringPaymentsDeduct> employee = result.getResults();
file_name = Constants.FILE_NUMBER_DEV+"_"+date+"_"+Constants.AUMBCR_HRMD+result.getSequenceNumber()+"_"+Constants.DUT8G2I+".SAP";
header.setHeader7(Constants.FILE_NUMBER_DEV+"_"+date+"_"+Constants.AUMBCR_HRMD+result.getSequenceNumber()+"_"+Constants.DUT8G2I+".SAP");
header.setHeader8(year);
header.setHeader9(hr);
header.setHeader10(Constants.ENVIRONMENT);
footer = new Footer("Footer",(employee.size()+2));
ex.getOut().setBody(employee);
})
.to("seda:recurringPaymentsFeed");
final DataFormat recurringPaymentsBindy = new BindyFixedLengthDataFormat(RecurringPaymentsDeduct.class);
from("seda:recurringPaymentsFeed")
.startupOrder(2)
.log("add footer to the file")
.process(
ex -> {
Map<String,Object> headerObjMap = new HashMap<String,Object>();
headerObjMap.put(Header.class.getName(),header);
System.out.println(" *** file_name 1 - "+file_name);
Map<String,Object> footerObjMap = new HashMap<String,Object>();
footerObjMap.put(Footer.class.getName(),footer);
ex.getOut().setHeader(BindyFixedLengthDataFormat.CAMEL_BINDY_FIXED_LENGTH_HEADER,headerObjMap);
ex.getOut().setBody(ex.getIn().getBody());
ex.getOut().setHeader(BindyFixedLengthDataFormat.CAMEL_BINDY_FIXED_LENGTH_FOOTER,footerObjMap);
})
.marshal(recurringPaymentsBindy)
.convertBodyTo(byte[].class,"iso-8859-1")
.setBody(body().regexReplaceAll("\\|","\\|\""))
.log("csv processed")
.to("file://app/bcr-files?fileName=recurringPaymentsDeduct.SAP")
.end();
} catch(Exception e) {
System.out.println("Error occurred while processing employee data: "+e.getMessage());
e.printStackTrace();
}
}
}
@Data
@Section(number = 2)
@FixedLengthRecord(header = Header.class,footer = Trailer.class)
public class RecurringPaymentsDeduct implements Serializable {
private static final long serialVersionUID = 1L;
@DataField(pos = 1,length = 10,delimiter = "|",trim = true)
public String RECTY;
@DataField(pos = 2,trim = true)
public String CLIID;
@DataField(pos = 3,trim = true)
public String INTCA;
@DataField(pos = 4,trim = true)
public String ORDNO;
@DataField(pos = 5,trim = true)
public String IOPER;
@DataField(pos = 6,trim = true)
public String INFTY;
@DataField(pos = 7,trim = true)
public String SUBTY;
@DataField(pos = 8,trim = true)
public String BEGDA;
@DataField(pos = 9,trim = true)
public String ENDDA;
@DataField(pos = 10,trim = true)
public String OBJPS;
}
@Configuration
@EnableConfigurationProperties
@ConfigurationProperties("adp")
@Data
@Section(number = 1)
@FixedLengthRecord()
public class Header implements Serializable {
private static final long serialVersionUID = 1L;
@DataField(pos = 1,length = 5,trim = true)
private String header1;
@DataField(pos = 2,trim = true)
private String header2;
@DataField(pos = 3,length = 15,trim = true)
private String header3;
@DataField(pos = 4,length = 60,trim = true)
private String header4;
@DataField(pos = 5,trim = true)
private String header5;
@DataField(pos = 6,length = 30,trim = true)
private String header6;
@DataField(pos = 7,trim = true)
private String header7;
@DataField(pos = 8,length = 8,pattern = "YYYYMMDD",trim = true)
private String header8;
@DataField(pos = 9,length = 6,trim = true)
private String header9;
@DataField(pos = 10,length = 1,trim = true)
private String header10;
@DataField(pos = 11,length = 2,trim = true)
private String header11;
@DataField(pos = 12,trim = true)
private String header12;
@DataField(pos = 13,trim = true)
private String header13;
@DataField(pos = 14,align = "L",trim = true)
private String header14;
}
@Data
@Section(number = 3)
@FixedLengthRecord()
public class Footer implements Serializable {
private static final long serialVersionUID = 1L;
@DataField(pos = 1,length = 7,trim = true)
private String trailer;
@DataField(pos = 2,trim = true)
private int count;
public Footer() {
}
public Footer(String trailer,int count) {
this.trailer = trailer;
this.count = count;
}
}